Added test for PluginReferenceProvider

Author: drpayyne

src/com/magento/idea/magento2plugin/reference/provider/PluginReferenceProvider.java

@@ -12,6 +12,7 @@
 import com.intellij.psi.PsiReference;
 import com.intellij.psi.PsiReferenceProvider;
 import com.intellij.psi.search.GlobalSearchScope;
+import com.intellij.psi.xml.XmlAttribute;
 import com.intellij.psi.xml.XmlTag;
 import com.intellij.util.ProcessingContext;
 import com.magento.idea.magento2plugin.indexes.PluginIndex;
@@ -47,9 +48,9 @@ public class PluginReferenceProvider extends PsiReferenceProvider {
             final XmlTag typeTag = (XmlTag) type.getParent().getParent();
             final XmlTag[] pluginTags = typeTag.findSubTags("plugin");
             for (final XmlTag pluginTag: pluginTags) {
-                final String pluginName = pluginTag.getAttribute("name").getValue();
-                if (pluginName.equals(originalPluginName)) {
-                    psiElements.add(pluginTag);
+                final XmlAttribute pluginNameAttribute = pluginTag.getAttribute("name");
+                if (pluginNameAttribute.getValue().equals(originalPluginName)) {
+                    psiElements.add(pluginNameAttribute.getValueElement());
                 }
             }
         }

testData/reference/xml/DisabledPluginReferenceRegistrar/disabledPluginNameMustHaveReference/di.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0"?>
+<!--
+ /**
+  * Copyright © Magento, Inc. All rights reserved.
+  * See COPYING.txt for license details.
+  */
+-->
+<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+        xsi:noNamespaceSchemaLocation="urn:magento:framework:ObjectManager/etc/config.xsd">
+    <type name="Magento\Theme\Block\Html\Topmenu">
+        <plugin name="catalogTopmenu<caret>" disabled="true"/>
+    </type>
+</config>

tests/com/magento/idea/magento2plugin/reference/xml/DisabledPluginReferenceRegistrarTest.java

@@ -0,0 +1,20 @@
+/*
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+
+package com.magento.idea.magento2plugin.reference.xml;
+
+import com.magento.idea.magento2plugin.magento.files.ModuleDiXml;
+
+public class DisabledPluginReferenceRegistrarTest extends ReferenceXmlFixtureTestCase {
+
+    /**
+     * Tests for disabled plugin name reference to original definition.
+     */
+    public void testDisabledPluginNameMustHaveReference() {
+        myFixture.configureByFile(this.getFixturePath(ModuleDiXml.FILE_NAME));
+
+        assertHasReferenceToXmlAttributeValue("catalogTopmenu");
+    }
+}